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Warn about possible risks when extracting untrusted archives.

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Lars Gustäbel 2007-08-30 20:24:31 +00:00
parent eba40650b5
commit 89241a3889
1 changed files with 11 additions and 0 deletions
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Doc/library/tarfile.rst
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@ -337,6 +337,13 @@ object, see :ref:`tarinfo-objects` for details.
reset each time a file is created in it. And, if a directory's permissions do reset each time a file is created in it. And, if a directory's permissions do
not allow writing, extracting files to it will fail. not allow writing, extracting files to it will fail.
.. warning::
Never extract archives from untrusted sources without prior inspection.
It is possible that files are created outside of *path*, e.g. members
that have absolute filenames starting with ``"/"`` or filenames with two
dots ``".."``.
.. versionadded:: 2.5 .. versionadded:: 2.5
@ -353,6 +360,10 @@ object, see :ref:`tarinfo-objects` for details.
are some issues you must take care of yourself. See the description for are some issues you must take care of yourself. See the description for
:meth:`extractall` above. :meth:`extractall` above.
.. warning::
See the warning for :meth:`extractall`.
.. method:: TarFile.extractfile(member) .. method:: TarFile.extractfile(member)